Yŏng-ho O

• Miguk tʻongsang chŏngchʻaek kwa taeŭng chŏllyak
• Piyŏngni pŏbin chedo ŭi kaesŏn pangan e kwanhan yŏn'gu (3-yŏnch'a)
• Ŭiryo kisa illyŏk sugŭp pangan e kwanhan yŏnʼgu =